Home / 903,753,786.83-1,247,111,780.81-507,200,189.01

Finding the Fourth Proportional to 903,753,786.83, 1,247,111,780.81 and 507,200,189.01

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Solution

The fourth proportional to 903,753,786.83, 1,247,111,780.81 and 507,200,189.01 is: 699,897,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,753,786.83 : 1,247,111,780.81 = 507,200,189.01 : x
  2. Step 2: Convert to fraction form
    903,753,786.83/1,247,111,780.81 = 507,200,189.01/x
  3. Step 3: Cross multiply
    903,753,786.83x = 1,247,111,780.81 × 507,200,189.01
  4. Step 4: Simplify right side
    903,753,786.83x = 632,535,330,940,893,696
  5. Step 5: Solve for x
    x = 632,535,330,940,893,696/903,753,786.83
  6. Step 6: Final answer
    x = 699,897,848.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.